U1 L4 - Characteristics of living organisms WS

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Characteristics of Living Organisms Worksheet
PART I. Read carefully every definition, and complete the following crossword.
HORIZONTAL WORDS
1. It is the condition of the body that maintains the stable operating conditions in the internal environment.
2. It is the ability that living organisms have to produce offspring.
3. It needs the presence of oxygen and carbon dioxide to release energy from food substances to carry out
every other process.
4. It helps the removal of toxic material. The waste products of metabolism and substances happen as a
result of chemical reactions occurring in cells.
5. It is the ability of organisms to sense and respond to stimuli around them.
VERTICAL WORDS
A. It implicates the change of position of organisms from one place to the other. It can be slow or extremely
fast.
B. It the physical and chemical process in the body by which food is transformed into energy.
C. It involves the production of new cells, which increase in size and number.
D. It is the set of processes that occur in the cell that allow to transform food into energy, produce new
molecules for cell functioning, and eliminate waste.
A
1
B
C
3
D
4
5
2
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